package com.hongyi.demo.service;

import com.baomidou.mybatisplus.extension.service.IService;
import com.hongyi.demo.pojo.User;

/**
 * @author hongyi
 * @date 2024/7/22 16:55
 */
public interface IUserService extends IService<User> {
    // 扩展自定义方法
    void deductBalance(Long id, Integer money);

}
